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Drug interactions

Butorphanol + Valerian

Severity: Moderate

Butorphanol and Valerian: moderate interaction.

Last updated

For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.

Summary

Valerian has mild sedative properties that can add to the sedation caused by butorphanol. This may increase drowsiness and impair psychomotor performance, though serious harm is uncommon.

What this interaction means in plain words

Butorphanol and Valerian can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.

Evidence level: Low

Why it happens

Additive CNS depression, likely via GABAergic effects of valerian.

What to do

Advise patients to avoid valerian while taking butorphanol, or use the lowest doses and warn about drowsiness and driving. Monitor sedation and respiratory status.

What to ask your pharmacist

  • Should I take them at different times of day?
  • Does the dose of either medicine need to change?
  • Is there anything I should avoid, such as alcohol or certain foods, while on both?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Butorphanol with Valerian?

MediHelp rates the interaction as moderate. Butorphanol and Valerian can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Valerian has mild sedative properties that can add to the sedation caused by butorphanol. This may increase drowsiness and impair psychomotor performance, though serious harm is uncommon.

How serious is the interaction between Butorphanol and Valerian?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Advise patients to avoid valerian while taking butorphanol, or use the lowest doses and warn about drowsiness and driving. Monitor sedation and respiratory status.

What other medicines interact with Butorphanol?

MediHelp also lists interactions of Butorphanol with, for example, Olanzapine / samidorphan, Sodium oxybate, Alfentanil. The full list is on the Butorphanol page.

Full monographs, dosing and an interaction checker in the MediHelp app

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